Scientific Anglers Freshwater Tippet is the perfect addition to any anglers tackle bag, and its sure to keep the trout biting all day. Scientific Anglers Fluorocarbon Tippet Features: Independent, free wheeling hub that allows the tippet spool to spin freely when joined together. The hub can be retracted to become flush with the spool body when used alone, or with other tippet spools on the market. The spools are also molded with UV inhibitors to help protect the tippet from degenerating UV rays. Built into the spool rim is a razor to cut the material right where you want it. The tippet material is managed by a color coded tippet retainer band that also has the size of the material printed on it. Water resistant label to prevent cracking and peeling.